diff --git a/TL.php b/TL.php
index 7f55c136..1b150f6d 100644
--- a/TL.php
+++ b/TL.php
@@ -107,17 +107,25 @@ class TL
     {
         switch ($type_) {
             case 'int':
-                if(!is_numeric($value)) throw new Exception("serialize_param: given value isn't numeric");
-                if(!(strlen(decbin($value)) <= 32)) throw new Exception("Given value is too long.");
+                if (!is_numeric($value)) {
+                    throw new Exception("serialize_param: given value isn't numeric");
+                }
+                if (!(strlen(decbin($value)) <= 32)) {
+                    throw new Exception('Given value is too long.');
+                }
                 fwrite($bytes_io, $this->struct->pack('<i', $value));
                 break;
             case 'long':
-                if(!is_numeric($value)) throw new Exception("serialize_param: given value isn't numeric");
+                if (!is_numeric($value)) {
+                    throw new Exception("serialize_param: given value isn't numeric");
+                }
                 fwrite($bytes_io, $this->struct->pack('<q', $value));
                 break;
             case 'int128':
             case 'int256':
-                if(!is_string($value)) throw new Exception("serialize_param: given value isn't a string");
+                if (!is_string($value)) {
+                    throw new Exception("serialize_param: given value isn't a string");
+                }
                 fwrite($bytes_io, $value);
                 break;
             case 'string':
@@ -144,7 +152,9 @@ class TL
      */
     public function deserialize($bytes_io, $type_ = null, $subtype = null)
     {
-        if(!(get_resource_type($bytes_io) == 'file' || get_resource_type($bytes_io) == 'stream')) throw new Exception("An invalid bytes_io handle provided.");
+        if (!(get_resource_type($bytes_io) == 'file' || get_resource_type($bytes_io) == 'stream')) {
+            throw new Exception('An invalid bytes_io handle provided.');
+        }
         switch ($type_) {
             case 'int':
                 $x = $this->struct->unpack('<i', fread($bytes_io, 4)) [0];
@@ -167,7 +177,9 @@ class TL
             case 'string':
             case 'bytes':
                 $l = $this->struct->unpack('<B', fread($bytes_io, 1)) [0];
-                if($l > 254) throw new Exception("Length is too big");;
+                if ($l > 254) {
+                    throw new Exception('Length is too big');
+                }
                 if ($l == 254) {
                     $long_len = $this->struct->unpack('<I', fread($bytes_io, 3).string2bin('\x00')) [0];
                     $x = fread($bytes_io, $long_len);
@@ -176,10 +188,14 @@ class TL
                     $x = fread($bytes_io, $l);
                     fread($bytes_io, posmod(-($l + 1), 4));
                 }
-                if(!is_string($x)) throw new Exception("deserialize: generated value isn't a string");
+                if (!is_string($x)) {
+                    throw new Exception("deserialize: generated value isn't a string");
+                }
                 break;
             case 'vector':
-                if($subtype == null) throw new Exception("deserialize: subtype isn't null");;
+                if ($subtype == null) {
+                    throw new Exception("deserialize: subtype isn't null");
+                }
                 $count = $this->struct->unpack('<l', fread($bytes_io, 4)) [0];
                 $x = [];
                 foreach (pyjslib_range($count) as $i) {
diff --git a/mtproto.php b/mtproto.php
index 377656ac..b66929e0 100755
--- a/mtproto.php
+++ b/mtproto.php
@@ -1,4 +1,5 @@
 <?php
+
 set_include_path(get_include_path().PATH_SEPARATOR.dirname(__FILE__).DIRECTORY_SEPARATOR.'libpy2php');
 require_once 'libpy2php.php';
 require_once 'os_path.php';
@@ -195,8 +196,12 @@ class Session
             $encrypted_data = substr($packet, 28, -4 - 28);
             list($aes_key, $aes_iv) = $this->aes_calculate($message_key, 'from server');
             $decrypted_data = crypt::ige_decrypt($encrypted_data, $aes_key, $aes_iv);
-            if (substr($decrypted_data, 0, 8) != $this->server_salt) throw new Exception("Server salt does not match.");
-            if (substr($decrypted_data, 8, 8) != $this->session_id) throw new Exception("Session id does not match.");
+            if (substr($decrypted_data, 0, 8) != $this->server_salt) {
+                throw new Exception('Server salt does not match.');
+            }
+            if (substr($decrypted_data, 8, 8) != $this->session_id) {
+                throw new Exception('Session id does not match.');
+            }
             $message_id = substr($decrypted_data, 16, 24 - 16);
             $seq_no = $this->struct->unpack('<I', substr($decrypted_data, 24, 28 - 24)) [0];
             $message_data_length = $this->struct->unpack('<I', substr($decrypted_data, 28, 32 - 28)) [0];
@@ -220,12 +225,12 @@ class Session
                 continue;
             }
             if ($server_answer == null) {
-                throw new Exception("An error occurred while calling method ".$method.'.');
+                throw new Exception('An error occurred while calling method '.$method.'.');
             }
+
             return $this->tl->deserialize(fopen_and_write('php://memory', 'rw+b', $server_answer));
         }
-        throw new Exception("An error occurred while calling method ".$method.'.');
-
+        throw new Exception('An error occurred while calling method '.$method.'.');
     }
 
     public function create_auth_key()
@@ -234,7 +239,7 @@ class Session
         pyjslib_printnl('Requesting pq');
         $ResPQ = $this->method_call('req_pq', ['nonce' => $nonce]);
         if ($ResPQ['nonce'] !== $nonce) {
-            throw new Exception("Handshake: wrong nonce");
+            throw new Exception('Handshake: wrong nonce');
         }
         $server_nonce = $ResPQ['server_nonce'];
         $public_key_fingerprint = (int) $ResPQ['server_public_key_fingerprints'][0];
@@ -247,7 +252,9 @@ class Session
         if ($p->compare($q) > 0) {
             list($p, $q) = [$q, $p];
         }
-        if(!(($pq->equals($p->multiply($q))) && ($p < $q))) throw new Exception("Handshake: couldn't compute p or q.");
+        if (!(($pq->equals($p->multiply($q))) && ($p < $q))) {
+            throw new Exception("Handshake: couldn't compute p or q.");
+        }
         pyjslib_printnl(sprintf('Factorization %s = %s * %s', $pq, $p, $q));
         $p_bytes = $this->struct->pack('>Q', (string) $p);
         $q_bytes = $this->struct->pack('>Q', (string) $q);
@@ -262,8 +269,12 @@ class Session
         $encrypted_data = $key->_raw_encrypt($to_encrypt);
         pyjslib_printnl('Starting Diffie Hellman key exchange');
         $server_dh_params = $this->method_call('req_DH_params', ['nonce' => $nonce, 'server_nonce' => $server_nonce, 'p' => $p_bytes, 'q' => $q_bytes, 'public_key_fingerprint' => $public_key_fingerprint, 'encrypted_data' => $encrypted_data]);
-        if($nonce != $server_dh_params['nonce']) throw new Exception("Handshake: wrong nonce.");
-        if($server_nonce != $server_dh_params['server_nonce']) throw new Exception("Handshake: wrong server nonce.");
+        if ($nonce != $server_dh_params['nonce']) {
+            throw new Exception('Handshake: wrong nonce.');
+        }
+        if ($server_nonce != $server_dh_params['server_nonce']) {
+            throw new Exception('Handshake: wrong server nonce.');
+        }
         $encrypted_answer = $server_dh_params['encrypted_answer'];
         $tmp_aes_key = sha1($new_nonce.$server_nonce, true).substr(sha1($server_nonce.$new_nonce, true), 0, 12);
         $tmp_aes_iv = substr(sha1($server_nonce.$new_nonce, true), 12, 8).sha1($new_nonce.$new_nonce, true).substr($new_nonce, 0, 4);
@@ -271,8 +282,12 @@ class Session
         $answer_hash = substr($answer_with_hash, 0, 20);
         $answer = substr($answer_with_hash, 20);
         $server_DH_inner_data = deserialize(fopen_and_write('php://memory', 'rw+b', $answer));
-        if($nonce != $server_DH_inner_data['nonce']) throw new Exception("Handshake: wrong nonce");
-        if($server_nonce != $server_DH_inner_data['server_nonce']) throw new Exception("Handshake: wrong server nonce");;
+        if ($nonce != $server_DH_inner_data['nonce']) {
+            throw new Exception('Handshake: wrong nonce');
+        }
+        if ($server_nonce != $server_DH_inner_data['server_nonce']) {
+            throw new Exception('Handshake: wrong server nonce');
+        }
         $dh_prime_str = $server_DH_inner_data['dh_prime'];
         $g = $server_DH_inner_data['g'];
         $g_a_str = $server_DH_inner_data['g_a'];
@@ -281,7 +296,9 @@ class Session
         pyjslib_printnl(sprintf('Server-client time delta = %.1f s', $this->timedelta));
         $dh_prime = $this->struct->unpack('>Q', $dh_prime_str);
         $g_a = $this->struct->unpack('>Q', $g_a_str);
-        if(!$this->PrimeModule->isprime($dh_prime)) throw new Exception("Handshake: dh_prime isn't a prime.");;
+        if (!$this->PrimeModule->isprime($dh_prime)) {
+            throw new Exception("Handshake: dh_prime isn't a prime.");
+        }
         $retry_id = 0;
         $b_str = \phpseclib\Crypt\Random::string(256);
         $b = $this->struct->unpack('>Q', $b_str);
@@ -300,10 +317,16 @@ class Session
             $new_nonce_hash1 = substr(sha1($new_nonce.'
'.$auth_key_aux_hash, true), -16);
             $new_nonce_hash2 = substr(sha1($new_nonce.''.$auth_key_aux_hash, true), -16);
             $new_nonce_hash3 = substr(sha1($new_nonce.''.$auth_key_aux_hash, true), -16);
-            if($Set_client_DH_params_answer['nonce'] != $nonce) throw new Exception("Handshake: wrong nonce.");
-            if($Set_client_DH_params_answer['server_nonce'] != $server_nonce) throw new Exception("Handshake: wrong server nonce");;
+            if ($Set_client_DH_params_answer['nonce'] != $nonce) {
+                throw new Exception('Handshake: wrong nonce.');
+            }
+            if ($Set_client_DH_params_answer['server_nonce'] != $server_nonce) {
+                throw new Exception('Handshake: wrong server nonce');
+            }
             if ($Set_client_DH_params_answer->name == 'dh_gen_ok') {
-                if($Set_client_DH_params_answer['new_nonce_hash1'] != $new_nonce_hash1) throw new Exception("Handshake: wrong new_nonce_hash1");;
+                if ($Set_client_DH_params_answer['new_nonce_hash1'] != $new_nonce_hash1) {
+                    throw new Exception('Handshake: wrong new_nonce_hash1');
+                }
                 pyjslib_printnl('Diffie Hellman key exchange processed successfully');
                 $this->server_salt = new strxor(substr($new_nonce, 0, 8 - 0), substr($server_nonce, 0, 8 - 0));
                 $this->auth_key = $auth_key_str;
@@ -312,10 +335,14 @@ class Session
 
                 return 'Auth Ok';
             } elseif ($Set_client_DH_params_answer->name == 'dh_gen_retry') {
-                if($Set_client_DH_params_answer['new_nonce_hash2'] != $new_nonce_hash2) throw new Exception("Handshake: wrong new_nonce_hash_2");
+                if ($Set_client_DH_params_answer['new_nonce_hash2'] != $new_nonce_hash2) {
+                    throw new Exception('Handshake: wrong new_nonce_hash_2');
+                }
                 pyjslib_printnl('Retry Auth');
             } elseif ($Set_client_DH_params_answer->name == 'dh_gen_fail') {
-                if($Set_client_DH_params_answer['new_nonce_hash3'] != $new_nonce_hash3) throw new Exception("Handshake: wrong new_nonce_hash_3");
+                if ($Set_client_DH_params_answer['new_nonce_hash3'] != $new_nonce_hash3) {
+                    throw new Exception('Handshake: wrong new_nonce_hash_3');
+                }
                 pyjslib_printnl('Auth Failed');
                 throw new Exception('Auth Failed');
             } else {